/Engine/Source/Runtime/GeometryCore/Public/VectorUtil.h
Calculate Normal and Area of triangle V0,V1,V2
triangle normal
namespace UE { namespace Geometry { namespace VectorUtil { template<typename RealType> [TVector](API\Runtime\Core\Math\TVector)< RealType > UE::Geometry::VectorUtil::NormalArea ( const [TVector](API\Runtime\Core\Math\TVector)< RealType > & V0, const [TVector](API\Runtime\Core\Math\TVector)< RealType > & V1, const [TVector](API\Runtime\Core\Math\TVector)< RealType > & V2, RealType & AreaOut ) } } }